Case realization parameters. Return empty object and method name change

ApplicationCode/ReservoirDataModel/RigCaseRealizationParameters.cpp

@@ -98,7 +98,7 @@ void RigCaseRealizationParameters::addParameter(const QString& name, const QStri
 //--------------------------------------------------------------------------------------------------
 RigCaseRealizationParameters::Value RigCaseRealizationParameters::parameterValue(const QString& name)
 {
-    if (m_parameters.count(name) == 0) return std::numeric_limits<double>::infinity();
+    if (m_parameters.count(name) == 0) return Value();
     return m_parameters[name];
 }
 

ApplicationCode/ReservoirDataModel/RigCaseRealizationParameters.h

@@ -47,7 +47,7 @@ public:
         void setValue(double value);
         void setValue(const QString& value);
 
-        bool isEmpty() const { return m_valueType == TYPE_NONE; }
+        bool isValid() const { return m_valueType == TYPE_NONE; }
         bool isNumeric() const { return m_valueType == TYPE_NUMERIC; }
         bool isText() const { return m_valueType == TYPE_TEXT; }